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Levart [38]
3 years ago
10

I no longer have a question it was answered?

Biology
1 answer:
Yuki888 [10]3 years ago
8 0

Answer:

glad I could help you answer your questions

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The elephants represented in lanes 3 and 5 could have been a match to the ivory sample if you failed to amplify one allele in ei
olga_2 [115]

About the question:

I failed to find the result of the PCR / electrophoresis. However, I will try to explain when to still consider a sample, and when to exclude it.

Answer:

Probably elephants 1, 2, 4, and 6 exposed a pattern of lines that differed in most alleles from the ivory´s pattern. So they were considered to be different and, hence, excluded. However, elephants 3 and 5 only were different in one allele, which might be due to the amplification failure. In these last situations, the experiment must be run again, and include many markers.

Explanation:

The genetic profile is the series of alleles, characteristic of each individual, concerning a series of DNA fragments.

Once genetic profiles are obtained by using PCR/electrophoresis, they must be subjected to interpretation. The researcher must compare profiles to find concordance between individuals or the lack of it.

In the exposed example, probably we have a profile of the ivory sample, and we need to find out to what individual or population it belongs to. So we need to compare the pattern of bands of the different lanes with the ivory´s pattern of bands.

In resumed terms, if the ivory´s patterns completely match with another lane pattern, then this is the individuals or population to whom it belongs the ivory. However, if they do not match, we need to exclude this individual.

But this is not as easy as it looks like. Sometimes it is difficult to interpret the results because bands are not so clear, and sometimes there are failures during amplification, as said before in the statement of the problem.

In these situations, what you need to do is look for the lanes that match the most with the ivory one and discard those that differ the most. These last patterns probably belong to a different animal or population, that why they can be excluded. Individuals suspected of being the same as the individual understudy or belonging to the same population, must be subducted to a repetition of the study. Also, the use of several markers in the study increases the matches chances.

So, in the exposed example, if the amplification fails in one allele, elephants 3 and 5 could be a match to the ivory sample, probably because all the other alleles do match. You can only exclude them if, after the experiment repetition, the involved allele is still different. On the other hand, you can eliminate the elephants 1, 2, 4, and 6 because their pattern bands are significantly different from the ivory´s patterns, so you do not even need to repeat the experiment.

7 0
3 years ago
Explain how living things, such as people and trees, are different from nonliving things, such as rocks and the tent.
Alexus [3.1K]
LIVING THINGS BREATHE NON LIVING THINGS DOSENT
4 0
3 years ago
Read 2 more answers
The first step in treating drinking water, called ____________________, involves passing water through a series of screens.
AlekseyPX

The right answer is Filtration.

A water filter is composed of a filtration system that aims to separate the water from the solid particles (residues) by passing it through a porous medium, which allows only the liquids and the finer solid particles to pass through. as the filter holes (porosity). The water that comes out of this filtration system is rid of solid particles larger than the pores of the filter.

Some water filters are designed to make drinking water (very fine filtration, less than the size of a microbe).

6 0
3 years ago
Most of the species in the class _ lay amniotic eggs
11Alexandr11 [23.1K]
Yes they do all insects female
8 0
3 years ago
Read 2 more answers
Heartworms can infest the hearts of animals like cats and dogs. The worms get nutrients from the animal, while the animal will d
tester [92]

Parasitism

Explanation:

This relationship in which the heartworms gets nutrient from the host and in the process, the host eventually dies from infestation is known as parasitism.

  • The organism that houses the heartworm is called the host
  • The heartworm in itself is called the parasite.
  • Parasitism is a positive - negative relationship in which one organism feeds on the other and causes harm to it in the process.
  • Plasmodium falciparum is the parasite of malaria in man.
  • In commensalism, one organism depends on the other without causing harm to it. Example is cattle and egret.
  • Mutualism is a positive - positive relationship in which both organism derives benefits from the other. Example is lichen.

learn more:

Interactions brainly.com/question/2321688

#learnwithBrainly

6 0
3 years ago
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